EduSahara™ Worksheet

EduSahara™ Worksheet

Name : Chapter Based Worksheet

Chapter : Factors and Multiples

Grade : ICSE Grade VIII

License : Non Commercial Use

Question 1

1.

Find the HCF of
{22,6,35}

(i)

0
(ii)

(-2)
(iii)

4
(iv)

1
(v)

2

Question 2

2.

Find the product of LCM and HCF of
{16,22,15}

(i)

2637
(ii)

2640
(iii)

2641
(iv)

2639
(v)

2643

Question 3

3.

Find all common factors of 42 , 24 and 34

(i)

{1,2,24}
(ii)

{1,2}
(iii)

{1,2,21}
(iv)

{1,14}
(v)

{1,12}

Question 4

4.

The common multiples of 7 and 3 =

(i)

{21,42,63,105,260}
(ii)

{21,63,84,105,118}
(iii)

{21,42,63,84,105}
(iv)

{21,42,84,105,111}
(v)

{21,42,63,105,35}

Question 5

5.

Find the HCF of
{840,930,870,1290}

(i)

32
(ii)

31
(iii)

29
(iv)

28
(v)

30

Question 6

6.

Find the prime factorization of
65

(i)

5

✕

13
(ii)

5

✕

10
(iii)

5

✕

16
(iv)

5 2

✕

13
(v)

4

✕

13

Question 7

7.

Which of the following numbers is divisible by 6?

(i)

1597
(ii)

1598
(iii)

1594
(iv)

1595
(v)

1596

Question 8

8.

Find all common factors of 23 and 41

(i)

{1,23}
(ii)

{41}
(iii)

{1,41}
(iv)

{1}
(v)

{23}

Question 9

9.

Find the HCF of
{15,10}

(i)

5
(ii)

4
(iii)

2
(iv)

6
(v)

7

Question 10

10.

Find the prime factorization of
44

(i)

2 2

✕

9
(ii)

2 2

✕

10
(iii)

2 2

✕

11 2
(iv)

2 2

✕

11
(v)

2 2

✕

14

Question 11

11.

Find the HCF of
{60,150}

(i)

31
(ii)

29
(iii)

27
(iv)

32
(v)

30

Question 12

12.

Find the H.C.F of
10
15

,

10
8

,

18
16

(i)

1
121
(ii)

1
60
(iii)

1
119
(iv)

0
(v)

1
120

Question 13

13.

Find the prime factorization of
1248

(i)

2 4

✕

3

✕

13
(ii)

2 6

✕

3

✕

13
(iii)

2 5

✕

3

✕

11
(iv)

4 5

✕

3

✕

13
(v)

2 5

✕

3

✕

13

Question 14

14.

Which of the following numbers is divisible by 10?

(i)

6522
(ii)

6520
(iii)

6518
(iv)

6519
(v)

6521

Question 15

15.

The multiples of 11 =

(i)

{11,22,33,44,55,66,54,45}
(ii)

{11,33,44,66,12,45}
(iii)

{11,22,33,55,66,45}
(iv)

{11,22,33,44,55,66}
(v)

{11,22,33,44,55,66,12}

Question 16

16.

Find the HCF of
{376,96,256}

(i)

11
(ii)

7
(iii)

9
(iv)

5
(v)

8

Question 17

17.

Find the product of LCM and HCF of
{26,21,6,25}

(i)

13652
(ii)

13649
(iii)

13650
(iv)

13651
(v)

13648

Question 18

18.

Find the LCM of
{480,240,420,300}

(i)

16802
(ii)

16800
(iii)

16801
(iv)

16799
(v)

16798

Question 19

19.

The factors of 81 =

(i)

{1,9,27,2,80}
(ii)

{1,3,9,27,81}
(iii)

{1,3,9,27,81,26}
(iv)

{1,3,9,27,81,80,2}
(v)

{1,3,9,81,26}

Question 20

20.

Find the smallest perfect square which is divisible by each of the numbers 18,4,16

(i)

146
(ii)

288
(iii)

144
(iv)

577
(v)

2592

Question 21

21.

Find all common factors of 11 and 17

(i)

{1}
(ii)

{17}
(iii)

{1,11}
(iv)

{1,17}
(v)

{11}

Question 22

22.

Which of the following numbers is divisible by 8?

(i)

1087
(ii)

1086
(iii)

1090
(iv)

1088
(v)

1089

Question 23

23.

Find the LCM of
{144,216}

(i)

435
(ii)

430
(iii)

432
(iv)

433
(v)

431

Question 24

24.

The multiples of 19 =

(i)

{19,38,57,76,95,114,39}
(ii)

{19,38,57,76,95,114,39,18}
(iii)

{38,57,76,95,114,18}
(iv)

{19,38,57,76,95,114}
(v)

{19,38,57,114,113,39}

Question 25

25.

What is the number that divides
{6110,3645,2804}
leaving a remainder of
20

(i)

30
(ii)

32
(iii)

29
(iv)

26
(v)

28

Assignment Key